# RxShift vs RxCalc

The clearest difference is price: RxShift at Free against RxCalc's $2.99. RxShift also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On ads and in-app purchases there is nothing between them.

RxShift is free to download; RxCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | RxShift | RxCalc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 63 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ahmet Bosnak](https://appshunter.io/developer/509135166) | [Karan Kohli](https://appshunter.io/developer/1896505451) |

## What reviewers say

### RxShift

[App page](https://appshunter.io/ios/app/rxshift/id6772763353)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RxCalc

[App page](https://appshunter.io/ios/app/rxcalc-pharmacy-math-prep/id6794650073)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RxShift free?

RxShift is free to download, with no in-app purchases.

### Is RxCalc free?

RxCalc costs $2.99, with no in-app purchases.

### Do RxShift or RxCalc have ads?

Neither RxShift nor RxCalc shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*